CVE-2026-39380 Details
Description
Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework. Prior to 3.4.3, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Stock Locations configuration feature. The application fails to properly sanitize user input supplied through the stock_location parameter, allowing attackers to inject malicious JavaScript code that is stored in the database and executed when rendered in the Employees interface. This vulnerability is fixed in 3.4.3.
A stored cross-site scripting vulnerability has been identified in Open Source Point of Sale versions prior to 3.4.3. This issue arises in the Stock Locations configuration feature, where user input through the stock_location parameter is not properly sanitized. As a result, attackers can inject malicious JavaScript that is saved in the database and executed when the Employees interface is accessed. The vulnerability allows for the execution of arbitrary JavaScript in the context of other users' browsers, potentially leading to actions being performed on behalf of authenticated users, application interface defacement, or phishing and credential harvesting attacks.
Users can update to Open Source Point of Sale version 3.4.3 or later, where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 8, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/opensourcepos/opensourcepos/security/advisories/GHSA-7hg5-68rx-xpmg | CISA-ADP | ExploitVendor Advisory |
| https://github.com/opensourcepos/opensourcepos/security/advisories/GHSA-7hg5-68rx-xpmg | [email protected] | ExploitVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| opensourcepos open source point of sale | < 3.4.3 |
CPE
Remediation
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Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 24, 2026 | Initial Analysis | [email protected] |
| Apr 8, 2026 | CVE Modified | CISA-ADP |
| Apr 7, 2026 | New CVE Received | [email protected] |